Cameron Reid
Mbed switch for Samsung SmartThings using Xbee
Diff: Main.cpp
- Revision:
- 2:e78ec8625034
- Parent:
- 1:80fe03be2832
--- a/Main.cpp Thu Sep 15 11:47:43 2016 +0000
+++ b/Main.cpp Thu Sep 15 14:19:56 2016 +0000
@@ -5,7 +5,7 @@
#define HarV 0x01
C12832 lcd(p5, p7, p6, p8, p11); //configure LCD
-RawSerial xbee(p9,p10); //Set Serial to XBee
+RawSerial xbee(p9,p10); //Set Serial to XBee
Serial pc(USBTX, USBRX); //Set Serial to PC.
DigitalOut led2 (LED2); //configure onboard LEDs
DigitalOut led1 (LED1);
@@ -42,7 +42,8 @@
void ActiveEPReq(); //Function to create the Active end point request.
void ClusterBasic(); //Function to create the Cluster Basic.
void OnOff(); //Function to process on off commands.
-void DefRes(); //Function to create the response for the on off command.
+void DefRes(); //Function to create the response for the on off command.
+void Update(char val);
int main(){
lcd.cls(); //clear lcd screen.
@@ -55,62 +56,45 @@
while(packet[5] != 0){ //While Xbee has not joined a network
wait(1); //Wait 0.1 second.
Psend(AI); //Send network joined status again.
- pc.printf("%x," , packet[5]); //Serially print netowrk status.
- check = 0;
while(check == 0)
- {} //Read data.
+ {} //Read data.
}
- pc.printf("connected");
lcd.cls(); //Clear lcd screen.
lcd.locate(0,1); //Locate the cursor.
lcd.printf(" Connected"); //Print to lcd screen.
- wait(1); //Wait 0.1 seconds.
check = 0;
Psend(MY); //Send AT command to get the 16bit network address.
- while(check == 0) //Wait for packet.
- {
- wait(0.1);
- }
- LNw[0] = packet[5]; //Transfer 16 bit address payload.
- pc.printf("%x",packet[5]); //Serially print result.
- LNw[1] = packet[6]; //Transfer 16 bit address payload.
- pc.printf("%x \n",packet[6]); //Serially print result.
+ while(check == 0) //Wait for packet.
+ {}
+ LNw[0] = packet[5]; //Transfer 16 bit address payload.
+ LNw[1] = packet[6]; //Transfer 16 bit address payload.
check = 0;
Psend(SH); //Send AT command to get the 64bit address MSB.
- while(check == 0) //Wait for packet.
+ while(check == 0) //Wait for packet.
{}
Addr[0] = packet[5]; //Transfer 64 bit address payload.
- pc.printf("%x",packet[5]); //Serially print result.
Addr[1] = packet[6]; //Transfer 64 bit address payload.
- pc.printf("%x",packet[6]); //Serially print result.
Addr[2] = packet[7]; //Transfer 64 bit address payload.
- pc.printf("%x",packet[7]); //Serially print result.
Addr[3] = packet[8]; //Transfer 64 bit address payload.
- pc.printf("%x \n",packet[8]); //Serially print result.
check = 0;
Psend(SL); //Send AT command to get the 64bit address LSB.
- while (check == 0) //Wait for packet.
+ while (check == 0) //Wait for packet.
{}
- Addr[4] = packet[5]; //Transfer 64 bit address payload.
- pc.printf("%x",packet[5]); //Serially print result.
- Addr[5] = packet[6]; //Transfer 64 bit address payload.
- pc.printf("%x",packet[6]); //Serially print result.
- Addr[6] = packet[7]; //Transfer 64 bit address payload.
- pc.printf("%x",packet[7]); //Serially print result.
- Addr[7] = packet[8]; //Transfer 64 bit address payload.
- pc.printf("%x \n",packet[8]); //Serially print result.
- wait(1); //Wait 0.1 seconds.
+ Addr[4] = packet[5]; //Transfer 64 bit address payload.
+ Addr[5] = packet[6]; //Transfer 64 bit address payload.
+ Addr[6] = packet[7]; //Transfer 64 bit address payload.
+ Addr[7] = packet[8]; //Transfer 64 bit address payload.
DevAnnc(); //Send Device Announce.
while(1) {
-lcd.locate(0,21); //Locate LCD cursor.
-lcd.printf("Packets recieved = %d", z); //Print to LCD display.
-check = 0;
-while(check == 0) //Wait for packet.
-{}
+ lcd.locate(0,21); //Locate LCD cursor.
+ lcd.printf("Packets recieved = %d", z); //Print to LCD display.
+ check = 0;
+ while(check == 0) //Wait for packet.
+ {}
if (packet[16] == 0x00){ //If packet profile = 16.
if (packet[14] == 0x04){ //If packet cluster = 14.
lcd.locate(0,11); //Locate LCD cursor.
@@ -143,39 +127,35 @@
lcd.printf(" Unknown Packet"); //Print to lcd screen.
}
}
-
-} //end of while(1)
+ } //end of while(1)
}
/********************************* Packet interupt ***************************************
When a new Xbee packet is revieved it is sent to this function to be processed.
*****************************************************************************************/
-void packet_interupt() //packet interupt begins when incoming data sensed on the rx line.
-{
+void packet_interupt(){ //packet interupt begins when incoming data sensed on the rx line.
+
if (xbee.readable()) //If data is available
x=xbee.getc(); //Get data
if (x==0x7E){ //Test for start of Frame.
- led2 =1; //Set indicator LED2 to on.
+ led2 = 1; //Set indicator LED2 to on.
z ++; //Increment packet counter.
- pc.printf("packet Recieved"); //Serially print to PC.
memset(packet, 0, sizeof(packet)); //Clear packet buffer.
while(xbee.readable() == 0); //If data is available.
- x =xbee.getc(); //Get data MSB length.
+ x = xbee.getc(); //Get data MSB length.
while(xbee.readable() == 0); //If data is available.
- len=xbee.getc(); //Get data LSB length.
- x=0; //Counter to 0.
+ len = xbee.getc(); //Get data LSB length.
+ x = 0; //Counter to 0.
sum = 0; //Set checksum calculator to 0.
- while(x < (len +1)){ //Fill packet variable with entire API packet.
- while (xbee.readable()==0); //If data is available.
- packet[x]=xbee.getc(); //Get data and place it in the data array.
- //pc.printf("%x",packet[x]);
+ while(x < (len + 1)){ //Fill packet variable with entire API packet.
+ while (xbee.readable() == 0); //If data is available.
+ packet[x] = xbee.getc(); //Get data and place it in the data array.
sum = (sum + packet[x]); //Add value to checksum calculation.
x++;
}
sum = (0xFF - ( sum & 0xFF)); //Finish calculating the checksum.
- if (packet[x] == sum ){ //If the checksum and the calculated checksum are equal.
- pc.printf(" checksum good \n");
+ if (packet[x] == sum ){ //If the checksum and the calculated checksum are equal.
if (packet[0] == 0x91){ //If packet ID = 0x91
Builder(); //Extract packet information
check = 1;
@@ -187,7 +167,6 @@
memset(packet, 0, sizeof(packet)); //Clear array
}
else{
- pc.printf(" checksum bad \n");
memset(packet, 0, sizeof(packet)); //Clear array
}
led2 = 0; //Set indicator LED2 to off.
@@ -212,17 +191,15 @@
x = 0; //Set counter to 0.
while ((x+18) < len){
pay[x] = packet[(x+18)]; //Copy packet payload.
- pc.printf(" %x," ,packet[x+18]); //Print packet contents to PC.
x++;
}
- pc.printf(" \n");
}
/************************************ PBuild ******************************************
Organise the information from other functions into the correct packet format.
*****************************************************************************************/
-void PBuild(char FrameAddr[], char sEP, char dEP, char Profile[], char Cluster[], char Payload[],char PaySize)
-{
+void PBuild(char FrameAddr[], char sEP, char dEP, char Profile[], char Cluster[], char Payload[],char PaySize){
+
size = 0; //Set size to 0.
x = 0; //Set counter to 0.
memset(Opacket, 0, sizeof(Opacket)); //Clear output buffer.
@@ -264,8 +241,8 @@
Create the checksum for outgoing packets.
*****************************************************************************************/
-void checksum()
-{
+void checksum(){
+
y = 0; //Set Alternatie counter to 0
sum = 0;
while (y < (Opacket[2])){ //Create the checksum.
@@ -278,26 +255,23 @@
Send the packet out serially to the Xbee module.
*****************************************************************************************/
-void Psend(char API_packet[])
-{
+void Psend(char API_packet[]){
+
led1 = 1; //Set onboard LED1 on for diagnostics
- pc.printf("sending packet");
length = (API_packet[2] + 4); //Calaculate packet length using packet length identifier and add the start byte, 2 byte length and checksum.
x = 0;
while (x < length){ //Send the command
xbee.putc(API_packet[x]);
- pc.printf("%x," ,API_packet[x]);
x ++;
}
led1 = 0; //Set diagnostics LED1 to off
- pc.printf("\n");
}
/********************************* Device Announce **************************************
Send a Device announce packet when joining or re joining and network.
For more informaion see ZigBee spec page 109
*****************************************************************************************/
-void DevAnnc()
-{
+void DevAnnc(){
+
char AnncFrame[16] = {0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFE};
char AnncPayload[12]; //Create char array for payload.
char DevClu[2] = {0x00, 0x13}; //Create char array for Cluster ID.
@@ -321,8 +295,8 @@
Send a response to a Simple Description Request.
For more informaion see ZigBee spec page 159.
*****************************************************************************************/
-void SimpleDesc()
-{
+void SimpleDesc(){
+
EP = pay[3]; //Get endpoint from payload.
char DescClu[2] = {0x80,0x04}; //Create char array for cluster ID.
char DescPro[2] = {0x00,0x00}; //Create char array for profile ID.
@@ -363,8 +337,8 @@
Send a response to and Active EP Request.
For more informaion see ZigBee spec page 161.
*****************************************************************************************/
-void ActiveEPReq()
-{
+void ActiveEPReq(){
+
char EPReqClu[2] = {0x80, 0x05}; //Create char array for Cluster.
char EPReqPro[2] = {0x00, 0x00}; //Create char array for Profile.
memset(Buffer, 0, sizeof(Buffer)); //Clear array.
@@ -380,8 +354,8 @@
Process a Basic Cluster request.
For more informaion see ZigBee cluster library page 78
*****************************************************************************************/
-void ClusterBasic()
-{
+void ClusterBasic(){
+
cmdID = 0; //Set command ID to 0.
seqNum = 0; //Set seqence number to 0.
memset(Buffer, 0, sizeof(Buffer)); //Clear array.
@@ -454,8 +428,7 @@
Process and respond to a Switch cluster command.
For more informaion see ZigBee Cluster library page 125.
*****************************************************************************************/
-void OnOff()
-{
+void OnOff(){
cmdID = 0; //Set command ID to 0.
seqNum = 0; //Set seqence number to 0.
frmType = 0; //Set frame type to 0.
@@ -470,41 +443,50 @@
atID[1] = pay[4]; //Get attribute ID LSB.
if ((frmType == 0x00) && (cmdID == 0x00) && (atID[1] == 0x00)){ //If Command to check status is sent.
- Buffer[0] = 0x18; //Frame control direction is server to client.
- Buffer[1] = seqNum; //Reply with seqence number from request.
- Buffer[2] = 0x01; //Command indetifier = 1, Read attribute response.
- Buffer[3] = 0x00; //Attribute Identfier (2 bytes) field being reported.
- Buffer[4] = 0x00;
- Buffer[5] = 0x00; //Status 00 = success.
- Buffer[6] = 0x10; //Attribute data type 10 = boolean.
- Buffer[7] = LED; //Read LED state.
- PBuild(PacketAddr,SEP,DEP,Pro,Clu, Buffer, 0x08); //Send to packet builder.
+ Update(LED);
}
if ((frmType == 0x01) && (cmdID == 0x00) && (atID[1] == 0x00)){ //command to turn off LED.
LED = 0; //Turn LED off.
- DefRes(); //Create response.
+ DefRes();
}
if ((frmType == 0x01) && (cmdID == 0x01) && (atID[1] == 0x00)){ //Command to turn on LED.
LED = 1; //Turn LED on.
- DefRes(); //Create response.
+ DefRes(); //Create response.
}
+
if ((frmType == 0x01) && (cmdID == 0x02) && (atID[1] == 0x00)){ //Command to toggle LED.
LED = !LED; //Toggle LED
- DefRes(); //Create response.
+ DefRes();
}
}
/********************************* Default Response *************************************
Create a default response.
*****************************************************************************************/
-void DefRes()
-{
+void DefRes(){
+
Buffer[0] = 0x18; //Frame control direction is server to client.
Buffer[1] = seqNum; //Reply with seqence number from request.
Buffer[2] = 0x0B; //Command identifier 0x08 = default response.
Buffer[3] = cmdID; //reply with the command ID sne to you.
- Buffer[4] = 0x00; //Send sucess 00
- PBuild(PacketAddr,SEP,DEP,Pro,Clu, Buffer, 0x05); //Send to packet builder.
+ Buffer[4] = 0x00; //Send sucess 00
+ PBuild(PacketAddr,SEP,DEP,Pro,Clu, Buffer, 0x05); //Send to packet builder.
+}
+/************************************** Update ******************************************
+Update LEDs status.
+
+*****************************************************************************************/
+void Update(char val){
+
+ Buffer[0] = 0x18; //Frame control direction is server to client.
+ Buffer[1] = seqNum; //Reply with seqence number from request.
+ Buffer[2] = 0x01; //Command indetifier = 1, Read attribute response.
+ Buffer[3] = 0x00; //Attribute Identfier (2 bytes) field being reported.
+ Buffer[4] = 0x00;
+ Buffer[5] = 0x00; //Status 00 = success.
+ Buffer[6] = 0x10; //Attribute data type 10 = boolean.
+ Buffer[7] = val; //Read LED state.
+ PBuild(PacketAddr,SEP,DEP,Pro,Clu, Buffer, 0x08); //Send to packet builder.
}
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